CN216934978U - Multi-surface staggered filtering air duct with spiral cross flow filtering function - Google Patents
Multi-surface staggered filtering air duct with spiral cross flow filtering function Download PDFInfo
- Publication number
- CN216934978U CN216934978U CN202121270291.8U CN202121270291U CN216934978U CN 216934978 U CN216934978 U CN 216934978U CN 202121270291 U CN202121270291 U CN 202121270291U CN 216934978 U CN216934978 U CN 216934978U
- Authority
- CN
- China
- Prior art keywords
- layer channel
- channel
- layer
- spiral
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model relates to the technical field of dust collection, in particular to a multi-surface staggered filtering air duct with spiral cross-flow filtering, which comprises an inner-layer channel, a middle-layer channel and an outer-layer channel, wherein the inner-layer channel, the middle-layer channel and the outer-layer channel are arranged from inside to outside; the inner layer channel is sleeved at the inner side of the middle layer channel in a conical structure, the inner diameter of the inner layer channel is gradually increased from the outer end to the inner end, the outer end of the inner layer channel is closed, and the inner end of the inner layer channel is provided with an inner layer outlet; an inner-layer filter tube is arranged between the middle-layer channel and the inner-layer channel, and an outer-layer filter tube is arranged between the middle-layer channel and the outer-layer channel. The utility model can be applied to the pretreatment of the dusty airflow with large air quantity, realizes the prior shunting of a large amount of clean air and the effective concentration of the dusty airflow, and reduces the integral operation resistance of the dust removal system.
Description
Technical Field
The utility model relates to the technical field of dust collection, in particular to a multi-surface staggered filtering air duct with spiral cross-flow filtering.
Background
In industrial production, dust pollution is ubiquitous. The productive dust can cause different diseases according to different pathological characteristics and action characteristics, and particularly has great harm to the lung. In the surrounding environment, the dust can corrode buildings, adhere to the surfaces of plants, affect photosynthesis of the plants and inhibit plant growth. Dust explosions may result when certain dusts are poorly controlled and the concentration of the agglomerates is high.
The filtration type dust removal is the most applied dust removal equipment for preventing and treating air pollution, and the improvement of the dust removal function of the filtration equipment has important significance for industrial production application. The filter dust collector used in the current industrial production has high dust removal efficiency, but has poor treatment effect on the dust-containing gas with large air volume (such as tunneling operation surface, ventilation and dust removal are integrated, ventilation is not only used for dust removal, but also toxic and harmful gas generated by operation needs to be diluted), the running resistance is too large, even if a composite dust removal system is adopted, if a coarse cyclone dust collector is adopted at the front end of the filter dust removal for pretreatment, but all air volume still needs to pass through the filter dust removal system, and the problem of too large running resistance cannot be effectively solved.
The national patent of publication number CN 112473309 a discloses a composite dust collection system with cross-flow filtration, which adopts the design of a double-layer spiral cross-flow filtration air duct, and utilizes the air duct space to perform cross-flow filtration, so as to distribute clean air in advance from the cross-flow filtration air duct, reduce the air volume in the subsequent dead-end filtration system, and reduce the overall operation resistance of the composite dust removal system. But the air flow resistance of the double-layer spiral staggered filter air cylinder provided by the device is larger and needs to be further reduced.
Based on the above reasons, the utility model provides a multi-surface staggered filtering air duct with spiral cross-flow filtering.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a multi-surface staggered filtering air duct with spiral cross-flow filtration, the treatment capacity of dust-containing air flow is improved by adopting double-layer cross-flow filtration and spiral cross-flow filtration together with multiple surfaces, the local resistance of air flow is reduced by adopting a complementary section gradual change design, the multi-surface staggered filtering air duct can be applied to pretreatment of the dust-containing air flow with large air volume, a large amount of clean air is shunted in advance, the dust-containing air flow is effectively concentrated, and the integral operation resistance of a dust removal system is further reduced.
In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
the utility model discloses a multi-surface cross-flow filtering air duct with spiral cross-flow filtering, which comprises an inner layer channel, a middle layer channel and an outer layer channel which are arranged from inside to outside, wherein the outer layer channel is in a tubular structure, the outer end of the outer layer channel is closed, the inner end of the outer layer channel is provided with an outer layer outlet, the middle layer channel is sleeved in the outer layer channel in a conical structure, the outer diameter of the middle layer channel is gradually reduced from the outer end to the inner end, the outer end of the middle layer channel is provided with an inlet, and the inner end of the middle layer channel is connected with a concentrated dust outlet channel; the inner layer channel is sleeved on the inner side of the middle layer channel in a conical structure, the inner diameter of the inner layer channel is gradually increased from the outer end to the inner end, the outer end of the inner layer channel is closed, and the inner end of the inner layer channel is provided with an inner layer outlet; an inner-layer filter tube is arranged between the middle-layer channel and the inner-layer channel, and an outer-layer filter tube is arranged between the middle-layer channel and the outer-layer channel.
The spiral filter is characterized in that a spiral channel is arranged inside the middle-layer channel and consists of a plurality of spiral filter plates, an outer air outlet is arranged at the joint of the spiral channel and the outer filter tube, and an inner air outlet is arranged at the joint of the spiral channel and the inner filter tube.
The distance between the adjacent spiral filter plates is gradually increased from the outer air outlet to the inner air outlet.
And the distance between every two adjacent spiral filter plates is increased by the expansion angle of 3-5 degrees from the outer air outlet to the inner air outlet.
The spiral filter plate is made of porous materials.
The spiral filter plate is a ceramic filter element or a stainless steel filter element or a sintered plate filter element.
The utility model has the beneficial effects that:
1. the design of the spiral cross flow channel increases the treatment area and improves the purification efficiency. The air duct provided by the utility model adopts three layers of channels and two cross-flow filtering surfaces, which is favorable for improving the treatment area of the dusty air flow; the spiral channel is arranged in the middle layer channel, so that on one hand, the air flow can flow in the middle layer channel in a spiral mode, the scouring effect on dust cakes deposited on the two cross-flow filtering surfaces is improved, on the other hand, the spiral channel is designed into a channel with a cross-flow filtering function, the dust-containing air flow treatment area is further increased, the multi-surface parallel connection is realized, and more clean air is divided in advance.
2. The complementary section gradual change design avoids overlarge local resistance. Based on the change of the on-way air quantity in the inner, middle and outer three-layer channels, the gradual change design of the cross sections of the channels is adopted on the premise of maintaining the original appearance of the air duct, so that the concentration of the cross sections of the air flow in the channels is avoided, and the local resistance of the air flow in the channels is reduced. And moreover, the spiral channel is internally provided with a structure with a narrow outer part and a wide inner part, so that the sizes of the whole cross sections of the inner outlet and the outer outlet of the spiral channel can be kept close to each other, and the local resistance caused by the concentration of wind flow can be avoided.
3. As a pretreatment technology, the operation load of a subsequent dust removal system can be effectively reduced. When the design provided by the utility model is applied to pretreatment of high-air-volume dust-containing airflow, a large amount of clean air can be shunted in advance, and the dust-containing concentration of the airflow entering a subsequent dust treatment system can be concentrated, so that the load of the subsequent dust removal system is obviously reduced, and the overall running resistance is reduced. The scale of a subsequent dust removal system can be reduced, and the overall investment and operation and maintenance cost are reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the filter comprises an outer filter tube, 2 inner filter tubes, 3 spiral filter plates, 4 inner channels, 5 middle channels, 6 outer channels, 7 outer air outlets, 8 spiral channels, 10 dust shrinkage outlet channels, 11 inner air outlets, 12 outer outlet ports and 13 inlet ports.
Detailed Description
The utility model is further illustrated below:
referring to fig. 1 of the drawings, a drawing,
the utility model discloses a multi-surface cross-filtration air duct with spiral cross-flow filtration, which comprises an inner-layer channel 4, a middle-layer channel 5 and an outer-layer channel 6 which are arranged from inside to outside, wherein the outer-layer channel 6 is of a tubular structure, the outer end of the outer-layer channel is closed, the inner end of the outer-layer channel is provided with an outer-layer outlet 12, the middle-layer channel 5 is sleeved in the outer-layer channel 6 in a conical structure, the outer diameter of the middle-layer channel is gradually reduced from the outer end to the inner end, the outer end of the middle-layer channel is provided with an inlet 13, and the inner end of the middle-layer channel is connected with a concentrated dust outlet channel 10; the inner-layer channel 4 is sleeved on the inner side of the middle-layer channel 5 in a conical structure, the inner diameter of the inner-layer channel is gradually increased from the outer end to the inner end, the outer end of the inner-layer channel is closed, and an inner-layer outlet is formed in the inner end of the inner-layer channel; an inner-layer filter pipe 2 is arranged between the middle-layer channel 5 and the inner-layer channel 4, an outer-layer filter pipe 1 is arranged between the middle-layer channel 5 and the outer-layer channel 6, and two cross-flow filter surfaces of the three-layer channels are adopted, so that the dust-containing air flow treatment area is favorably increased. When the method is applied to pretreatment of the large-air-volume dusty airflow, a large amount of clean air can be shunted in advance, and the airflow dusty concentration entering a subsequent dust treatment system can be concentrated, so that the load of the subsequent dust removal system is remarkably reduced, and the overall running resistance is reduced. The scale of a subsequent dust removal system can be reduced, and the overall investment and operation and maintenance cost are reduced.
The dust-free air flow distribution filter is characterized in that a spiral channel 8 is arranged inside the middle-layer channel 5, the spiral channel 8 is composed of a plurality of spiral filter plates 3, an outer air outlet 7 is arranged at the joint of the spiral channel 8 and the outer filter tube 1, an inner air outlet 11 is arranged at the joint of the spiral channel 8 and the inner filter tube 2, the spiral channel is arranged in the middle-layer channel, on one hand, air flow can flow in the middle-layer channel in a spiral mode, the washing effect of dust cakes deposited on two cross-flow filter surfaces is improved, on the other hand, the spiral channel is designed to be a channel with a cross-flow filtering function, the dust-containing air flow treatment area is further increased, multiple surfaces are connected in parallel, and more clean air can be distributed in advance.
The distance between the adjacent spiral filter plates 3 is gradually increased from the outer air outlet 7 to the inner air outlet 11.
Adjacent interval between the spiral filter plate 3 by go out gas port 7 to interior gas outlet 11 and be 3~5 expansion angle grow, and 5 interior gas stream dusty concentration of middle level passageway improves (concentration), and the velocity of flow of gas in the passageway is tried to reduce gradually, but because the design that 5 sections of middle level passageway diminish gradually, the gas velocity of flow can not lead to the velocity of flow to reduce because of the reduction of the gas total amount in the filtration passageway, has guaranteed the shearing force that the wind current washed the dirt cake.
The spiral filter plate 3 is made of a porous material, and preferably, the spiral filter plate 3 is a ceramic filter element or a stainless steel filter element or a sintered plate filter element.
The working principle is as follows:
the dusty airflow enters from the left inlet 13 of the middle layer channel 5 of the cross filter air cylinder, and the dusty airflow rotates and flows in the middle layer channel 5 due to the diversion effect of the spiral channel 8.
Clean air flow can pass through the inner-layer filter tube 2 to enter the inner-layer channel 4, or pass through the outer-layer filter tube 1 to enter the outer-layer channel 6, or pass through the spiral filter plate 3 to enter the spiral channel 8, air flow entering the spiral channel 8 can enter the inner-layer channel 4 through the inner air outlet 11 or enter the outer-layer channel 6 through the outer air outlet 7, and dust in the air flow is correspondingly intercepted on the outer wall of the inner-layer conical filter tube 2, the outer wall of the outer-layer filter tube 1 and the outer wall of the spiral filter plate 3 and is attempted to be deposited to form dust cakes. The dust cake which is attempted to be deposited is washed by the shearing force generated by the wind flow rotating and flowing in the middle layer channel and continues to rotate along the wind channel along with the wind flow.
With the leaving of a large amount of clean gas, the dust concentration of the gas flow in the middle layer channel 5 is increased (concentrated), the flow speed of the gas in the channel is reduced gradually, but due to the design that the section of the middle layer channel 5 is reduced gradually, the flow speed of the gas cannot be reduced due to the reduction of the total gas amount in the filtering channel, and the shearing force of the wind flow for washing the dust cake is ensured.
The clean air flows in the inner layer channel 4, the outer layer channel 6 and the spiral channel 8 are discharged through respective outlets; while the dusty gas stream in the intermediate conical channel 5 enters the next device of the dedusting system through the concentrated dust outlet channel 10.
Through multi-face multi-azimuth cross-flow filtration between the inner layer and the middle layer, between the middle layer and the outer layer and on the spiral layer, the cross-flow filtration area is increased, and clean airflow can be conveniently and rapidly separated from dust-containing airflow in a large quantity.
Through the design of complementary section gradual change of each channel of the inner layer, the middle layer and the outer layer and the size design of the channel with the width being wide and the width being narrow in the spiral layer, the relative stability of the wind speed of each wind flow section is kept, the overlarge local resistance is prevented, and the overall stable wind flow and the smaller running resistance are maintained.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention and the contents of the drawings or directly or indirectly applied to the related technical fields are included in the scope of the present invention.
Claims (6)
1. A multi-surface staggered filter air cylinder with spiral cross-flow filtration is characterized in that: the device comprises an inner-layer channel (4), a middle-layer channel (5) and an outer-layer channel (6) which are arranged from inside to outside, wherein the outer-layer channel (6) is of a tubular structure, the outer end of the outer-layer channel is closed, and the inner end of the outer-layer channel is provided with an outer-layer outlet (12); the middle layer channel (5) is sleeved in the outer layer channel (6) in a conical structure, the outer diameter of the middle layer channel is gradually reduced from the outer end to the inner end, the outer end of the middle layer channel is provided with an inlet (13), and the inner end of the middle layer channel is connected with the concentrated dust outlet channel (10); the inner layer channel (4) is sleeved on the inner side of the middle layer channel (5) in a conical structure, the inner diameter of the inner layer channel is gradually increased from the outer end to the inner end, the outer end of the inner layer channel is closed, and the inner end of the inner layer channel is provided with an inner layer outlet; an inner-layer filter tube (2) is arranged between the middle-layer channel (5) and the inner-layer channel (4), and an outer-layer filter tube (1) is arranged between the middle-layer channel (5) and the outer-layer channel (6).
2. The multi-face staggered filter cartridge combined with spiral cross-flow filtration according to claim 1, wherein: the inside of middle level passageway (5) is equipped with spiral channel (8), spiral channel (8) comprise a plurality of spiral filter plate (3), spiral channel (8) with the handing-over department of outer chimney filter (1) is equipped with out gas port (7), and its handing-over department with inlayer chimney filter (2) is equipped with interior gas outlet (11).
3. The multi-face staggered filter drum combined with spiral cross-flow filtration according to claim 2, wherein: the distance between the adjacent spiral filter plates (3) is gradually increased from the outer air outlet (7) to the inner air outlet (11).
4. The multi-face staggered filter cartridge combined with spiral cross-flow filtration according to claim 3, wherein: the distance between the adjacent spiral filter plates (3) is increased by the expansion angle of 3-5 degrees from the outer air outlet (7) to the inner air outlet (11).
5. The multi-face staggered filter drum combined with spiral cross-flow filtration according to claim 4, wherein: the spiral filter plate (3) is made of porous materials.
6. The multi-face staggered filter drum combined with spiral cross-flow filtration according to claim 5, wherein: the spiral filter plate (3) is a ceramic filter element or a stainless steel filter element or a sintered plate filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270291.8U CN216934978U (en) | 2021-06-08 | 2021-06-08 | Multi-surface staggered filtering air duct with spiral cross flow filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270291.8U CN216934978U (en) | 2021-06-08 | 2021-06-08 | Multi-surface staggered filtering air duct with spiral cross flow filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216934978U true CN216934978U (en) | 2022-07-12 |
Family
ID=82288545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121270291.8U Active CN216934978U (en) | 2021-06-08 | 2021-06-08 | Multi-surface staggered filtering air duct with spiral cross flow filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216934978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244710A (en) * | 2021-06-08 | 2021-08-13 | 南昌大学 | Multi-surface staggered filtering air duct with spiral cross flow filtering function |
-
2021
- 2021-06-08 CN CN202121270291.8U patent/CN216934978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244710A (en) * | 2021-06-08 | 2021-08-13 | 南昌大学 | Multi-surface staggered filtering air duct with spiral cross flow filtering function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210645487U (en) | Dust removing chamber | |
| CN106492575B (en) | A kind of efficient central dust-removing system | |
| CN112473309B (en) | Combined dust collection system with cross-flow filtration | |
| CN216934978U (en) | Multi-surface staggered filtering air duct with spiral cross flow filtering function | |
| CN201930589U (en) | High-efficient multilayer filter | |
| CN201168515Y (en) | Circular crest bag back-blowing dust collector | |
| CN206746205U (en) | A kind of hollow ceramic flat membranes filter collector | |
| CN106268100B (en) | A kind of improvement type gravel bed filter | |
| CN101648094B (en) | Double-inlet turbulence mixing type bag dust remover and dust removing method thereof | |
| CN206566628U (en) | Novel bag-type dust remover | |
| CN113244710A (en) | Multi-surface staggered filtering air duct with spiral cross flow filtering function | |
| CN1039788C (en) | Dust-collecting filter for gas-solid separation | |
| CN104941348A (en) | Continuous industrial dust collector | |
| CN208356366U (en) | A kind of acetate filter cartridge dust remover of packaged type | |
| CN208526172U (en) | A kind of horizontal multi-stage filtering wet type resonance string grid dust-extraction unit | |
| CN209576088U (en) | A kind of novel continuous strainer deduster | |
| CN214764259U (en) | Combined type dust collecting system with cross-flow filtration | |
| CN206184134U (en) | Bag type dust remover | |
| CN211034020U (en) | Material lifting device | |
| CN209501959U (en) | A kind of electrostatic precipitation flue dust pretreatment unit | |
| CN207950908U (en) | Use the dust-extraction unit of multistage DC cyclone separator combination array | |
| CN206081978U (en) | Improved type grained layer dust remover | |
| CN206746838U (en) | A kind of filter cylinder sleeve pipe for cyclone | |
| CN206730716U (en) | A kind of industrial dust collector | |
| CN206688406U (en) | A kind of Chemical Manufacture mechanical collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |